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ScienceCLASS 9CBSE

answered 27 Mar 2026

Ozone-hole’ means (a) a large sized hole in the ozone layer (b) thinning of the ozone layer (c) small holes scattered in the ozone layer thickening of ozone in the ozone layer

A.VERIFIED ANSWERfact-checked by tutors

Soln:

Answer is (b) thinning of the ozone layer

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